ES2119070T3 - Procedimiento para preparar xerogeles de silice esfericos y porosos. - Google Patents

Procedimiento para preparar xerogeles de silice esfericos y porosos.

Info

Publication number
ES2119070T3
ES2119070T3 ES94203135T ES94203135T ES2119070T3 ES 2119070 T3 ES2119070 T3 ES 2119070T3 ES 94203135 T ES94203135 T ES 94203135T ES 94203135 T ES94203135 T ES 94203135T ES 2119070 T3 ES2119070 T3 ES 2119070T3
Authority
ES
Spain
Prior art keywords
xerogels
procedure
porous silicon
preparing spherical
spherical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES94203135T
Other languages
English (en)
Inventor
Luigi Balducci
Raffaele Ungarelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eni Tecnologie SpA
Enichem SpA
Original Assignee
Eni Tecnologie SpA
Enichem SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eni Tecnologie SpA, Enichem SpA filed Critical Eni Tecnologie SpA
Application granted granted Critical
Publication of ES2119070T3 publication Critical patent/ES2119070T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels
    • C01B33/163—Preparation of silica xerogels by hydrolysis of organosilicon compounds, e.g. ethyl orthosilicate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)

Abstract

PROCESO PARA LA PREPARACION DE PARTICULAS DE SILICE ESFERICAS POROSAS QUE SUSTANCIALMENTE CONSISTE EN EMULSIONAR UN SOL DE SILICE ACIDICA EN UN MEDIO DE DISPERSION, GELIFICAR LAS MICROGOTITAS DEL SOL EN EL ESTADO EMULSIONADO Y SOMETER EL GEL RESULTANTE A UN TRATAMIENTO TERMICO EN PRESENCIA DEL LIQUIDO EMULSIONANTE Y DE UNA BASE DE GELIFICACION DEL SOL.
ES94203135T 1993-11-04 1994-10-27 Procedimiento para preparar xerogeles de silice esfericos y porosos. Expired - Lifetime ES2119070T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI002331A IT1266660B1 (it) 1993-11-04 1993-11-04 Procedimento per la preparazione di xerogels di silice porosi in forma sferica

Publications (1)

Publication Number Publication Date
ES2119070T3 true ES2119070T3 (es) 1998-10-01

Family

ID=11367137

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94203135T Expired - Lifetime ES2119070T3 (es) 1993-11-04 1994-10-27 Procedimiento para preparar xerogeles de silice esfericos y porosos.

Country Status (6)

Country Link
US (1) US6103209A (es)
EP (1) EP0653378B1 (es)
JP (1) JP3785580B2 (es)
DE (1) DE69412426T2 (es)
ES (1) ES2119070T3 (es)
IT (1) IT1266660B1 (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19530031A1 (de) * 1995-08-16 1997-02-20 Merck Patent Gmbh Poröse monodisperse SiO¶2¶-Partikel
CA2280795A1 (en) * 1997-02-24 1998-08-27 James R. Hahn Hydrophobic silica gels with reduced surface area
IT1303713B1 (it) * 1998-11-06 2001-02-23 Enichem Spa Processo per la preparazione di catalizzatori a base di zeolite tipomfi.
KR100392194B1 (ko) * 2000-07-19 2003-07-22 이종협 세라믹 중공미세구의 제조방법
US7101523B2 (en) 2001-09-25 2006-09-05 Mitsubishi Chemical Corporation Silica
EP1314695B1 (en) * 2001-11-27 2007-08-22 Mitsubishi Chemical Corporation Silica and method for producing the same
US20040091411A1 (en) * 2002-11-08 2004-05-13 Bijan Modrek-Najafabadi High surface area, high porosity silica packing with narrow particle and pore diameter distribution and methods of making same
DE10317066A1 (de) * 2003-04-14 2004-11-11 Degussa Ag Verfahren zur Herstellung von Metalloxid- und Metalloidoxid-Dispersionen
KR100708882B1 (ko) * 2003-04-15 2007-04-17 (주) 보람케메탈 흄드 실리카를 이용한 나노 실리카 결정 분말의 제조방법
US20100003182A1 (en) * 2006-06-02 2010-01-07 Lorenzo Costa Pellitized silica
NZ578998A (en) * 2007-02-22 2011-07-29 Univ Central Queensland Railway bogie with steering responsive to yaw
AU2008260452A1 (en) * 2007-06-04 2008-12-11 Alltech Associates, Inc. Silica particles and methods of making and using the same
WO2010105941A1 (de) * 2009-03-16 2010-09-23 Basf Se Katalysatorträger auf silicagel-basis
DE102009053784A1 (de) * 2009-11-19 2011-05-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Herstellung eines porösen SiO2-Xerogels mit charakteristischer Porengröße durch ein Bottom-Up-Verfahren über eine Vorstufe mit organischen Festkörperskelettstützen
US8197782B2 (en) * 2010-02-08 2012-06-12 Momentive Performance Materials Method for making high purity metal oxide particles and materials made thereof
US9249028B2 (en) 2010-02-08 2016-02-02 Momentive Performance Materials Inc. Method for making high purity metal oxide particles and materials made thereof
CN101913611B (zh) * 2010-03-17 2012-05-02 上海大学 一种简便的制备尺寸可控的单分散的纳米二氧化硅颗粒的方法
EP2634144A4 (en) * 2010-10-25 2014-08-20 Tokuyama Corp AEROGEL AND METHOD FOR ITS MANUFACTURE
WO2012147812A1 (ja) 2011-04-28 2012-11-01 株式会社トクヤマ 金属酸化物粉末及びその製造方法
US10995184B2 (en) 2016-03-25 2021-05-04 Show A Denko Materials Co., Ltd. Sol composition, aerogel composite, support member provided with aerogel composite, and heat insulator
KR102675444B1 (ko) * 2016-03-29 2024-06-13 가부시끼가이샤 레조낙 에어로겔 복합체 파우더의 제조 방법
WO2017170498A1 (ja) * 2016-03-29 2017-10-05 日立化成株式会社 エアロゲル複合体、エアロゲル複合体付き支持部材及び断熱材
JP6910252B2 (ja) * 2017-09-05 2021-07-28 昭和電工株式会社 シリカ担体の製造方法
JP2019064892A (ja) * 2017-10-04 2019-04-25 日立化成株式会社 エアロゲル複合体パウダー及び撥水材
US11981622B2 (en) 2018-11-02 2024-05-14 Resonac Corporation Method for producing alcohol and catalyst for producing alcohol
EP3744684A1 (en) 2019-05-29 2020-12-02 Nouryon Chemicals International B.V. Porous silica particles
EP3744683A1 (en) * 2019-05-29 2020-12-02 Nouryon Chemicals International B.V. Porous silica particles
US11447633B2 (en) * 2020-04-27 2022-09-20 Taiwan Aerogel Technology Material Co., Ltd. Method for producing a cold resisting and heat insulating composite glue composed of a hydrophobic aerogel and the related product thereof
KR20230128444A (ko) * 2021-01-14 2023-09-05 가부시끼가이샤 도꾸야마 다공질 구상 실리카 및 그 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6385012A (ja) * 1986-09-29 1988-04-15 Chisso Corp 珪酸質球状粒子の製造方法
JP2528315B2 (ja) * 1987-05-22 1996-08-28 扶桑化学工業株式会社 高純度球状シリカの製造方法
SE459731B (sv) * 1987-06-29 1989-07-31 Eka Nobel Ab Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna
JPH02196015A (ja) * 1989-01-25 1990-08-02 Chisso Corp シリカの製造方法
IT1251939B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.
US5250096A (en) * 1992-04-07 1993-10-05 At&T Bell Laboratories Sol-gel method of making multicomponent glass

Also Published As

Publication number Publication date
JPH07196311A (ja) 1995-08-01
EP0653378A1 (en) 1995-05-17
US6103209A (en) 2000-08-15
DE69412426D1 (de) 1998-09-17
ITMI932331A0 (it) 1993-11-04
IT1266660B1 (it) 1997-01-09
JP3785580B2 (ja) 2006-06-14
ITMI932331A1 (it) 1995-05-04
EP0653378B1 (en) 1998-08-12
DE69412426T2 (de) 1999-02-18

Similar Documents

Publication Publication Date Title
ES2119070T3 (es) Procedimiento para preparar xerogeles de silice esfericos y porosos.
DE69530086D1 (de) Aufnahme von biologisch aktiven molekülen in bioaktives glas
KR880007379A (ko) 실리카 함유 아티클 제조방법
BR9907935A (pt) Sistema catalisador, processo para preparar uma poliolefina, e, uso de um sistema catalisador
DE69514661D1 (de) Polymerisationskatalysatorsystem, ihre herstellung und gebrauch
ATE132115T1 (de) Verstärkte fällungskieselsäure
ES2111187T3 (es) Macroestructuras porosas absorbentes de particulas absorbentes unidas, reticuladas en superficie con aductos cationicos de amino-epiclorhidrina.
CA2285430A1 (en) Calcium phosphate microcarriers and microspheres
TW373126B (en) An electrochromic system, an electrochromic liquid comprising the same, an electrochromic device, an electrochromic substance and its preparation processes
CA2241942A1 (en) Supported catalyst system
PT1100468E (pt) Microparticulas com superficies adsorventes, processos de fabrico e utilizacao das mesmas
NO884351D0 (no) Filter for bruk i en innsats for tilberedning av en drikkevare.
CO4410400A1 (es) Catalizador soportado para polimerizacion de olefinas y su metodo de produccion
JPS57179008A (en) Manufacture of silica particles, silica particles having narrow pore diameter distribution, catalyst manufactured therefrom and use thereof
ES2143976T3 (es) Dispositivo para metodos ligando-receptor.
ES541733A0 (es) Procedimiento para la preparacion de particulas modificadas en su superficie por grupos hidrofilos e hidrofobos
CA2281846A1 (en) Matrices for separation and separation exploiting said matrices
ITRM920590A0 (it) Sistema per la realizzazione distrutture in fibra di carbonio, e procedimento per detto, particolarmente idoneo per applicazioni aeronautiche.
ES2067957T3 (es) Uso de membranas polimerizadas interfacialmente en dispositivos de liberacion.
AU5174193A (en) Process and device for producing liquid, dispersed systems
ES2063202T3 (es) Nuevas 5,11-dihidro-6h-dipirido(3,2-b:2',3'-e)(1,4)diazepin-6-onas y -tionas y su uso en la prevencion o tratamiento del sida.
AR020532A1 (es) Hidrogeles opticamente transparentes y procesos para su produccion.
DE59610633D1 (de) Medikament, insbesondere zur modulation der immunantwort bei der bekämpfung von viren, tumoren, bakterien und parasiten
FI930584L (fi) Vetyperoksidiprosessissa käytettävä hydrauskatalyytti ja menetelmä sen valmistamiseksi
SE8902919D0 (sv) Anvaendning av zeoliter som adsorbenter av detergenter i biokemiska/biotekniska system och processer

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 653378

Country of ref document: ES